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A new model for chromitite formation in ophiolites: Fluid immiscibility

Science China Earth Sciences, 2020
Chen Chen, Yan Xiao, Ibrahim Uysal
exaly   +2 more sources

Distributions of Platinum Group Elements and Re-Os Isotope Systematics in Chromite from the Coobina Chromitite Deposit in Western Australia: Implications for Chromite as a Sulfide Mineralization Indicator

Canadian Mineralogist, 2022
The abundance of Ru in chromite has been suggested as an indicator of sulfide liquid saturation in komatiites. The komatiite magma-derived Archean Coobina intrusion is known to be barren in terms of sulfide mineralization.
L. Schoneveld   +4 more
semanticscholar   +1 more source

Podiform chromitite genesis in an Archean juvenile forearc setting: The 2.55 Ga Zunhua chromitites, North China Craton

Lithos, 2021
Abstract Podiform chromitites are unique rock units of ophiolites and ophiolitic melanges and represent invaluable repositories that reliably record the formation environment and evolution of their source and host rocks. However, there are relatively few podiform chromitites reported from Archean terranes. Here we document the major, minor, and trace
Yang Huang   +8 more
semanticscholar   +2 more sources

Amphibole as a witness of chromitite formation and fluid metasomatism in ophiolites

American Mineralogist, 2022
Here we present new occurrences of amphibole in a suite of chromitites, dunites, and harzburgites from the mantle sequence of the Lycian ophiolite in the Tauride Belt, southwest Turkey.
Qihui Pan   +7 more
semanticscholar   +1 more source

Sulfide mineral chemistry and platinum-group minerals of the UG-2 chromitite in the northern limb of the Bushveld Igneous Complex, South Africa

Canadian Mineralogist, 2021
The UG-2 chromitite layer, with its elevated platinum-group element content, is a key marker horizon in the eastern and western limbs of the Bushveld Igneous Complex and the largest platinum-group element chromite-hosted resource of its kind in the ...
Malose M. Langa   +3 more
semanticscholar   +1 more source

Peridotites, chromitites and diamonds in ophiolites

Nature Reviews Earth & Environment, 2021
Ophiolites, which represent segments of oceanic lithosphere obducted onto the continental crust, provide an important window into processes such as continental rifting, mantle melting, asthenospheric upwelling and cooling of oceanic lithosphere. Traditionally, research has focused on crustal sections of ophiolites.
Jingsui Yang   +3 more
openaire   +1 more source

Sintering as a key process in the textural evolution of chromitite seams in layered mafic-ultramafic intrusions

Canadian Mineralogist, 2021
Nearly monomineralic stratiform chromitite seams of variable thickness (millimeters to meters) occur in many of the world's layered mafic-ultramafic intrusions. These seams are often associated with economically significant quantities of platinum group
Emma J. Hunt, B. O’Driscoll, J. Day
semanticscholar   +1 more source

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